1248838266 has 16 divisors (see below), whose sum is σ = 2689805664. Its totient is φ = 384257904.

The previous prime is 1248838247. The next prime is 1248838267. The reversal of 1248838266 is 6628388421.

It is not an unprimeable number, because it can be changed into a prime (1248838267) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8005296 + ... + 8005451.

It is an arithmetic number, because the mean of its divisors is an integer number (168112854).

Almost surely, 2^1248838266 is an apocalyptic number.

1248838266 is an abundant number, since it is smaller than the sum of its proper divisors (1440967398).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1248838266 is a wasteful number, since it uses less digits than its factorization.

1248838266 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16010765.

The product of its digits is 884736, while the sum is 48.

The square root of 1248838266 is about 35338.9058404473. The cubic root of 1248838266 is about 1076.8835242410.

The spelling of 1248838266 in words is "one billion, two hundred forty-eight million, eight hundred thirty-eight thousand, two hundred sixty-six".